gecko-dev/browser/devtools/debugger/debugger.css

/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* Side pane views */

#sources-pane > tabpanels > tabpanel,
#instruments-pane > tabpanels > tabpanel {
  -moz-box-orient: vertical;
}

/* Toolbar controls */

.devtools-toolbarbutton:not([label]) > .toolbarbutton-text {
  display: none;
}

/* Horizontal vs. vertical layout */

#body[layout=vertical] #debugger-widgets {
  -moz-box-orient: vertical;
}

#body[layout=vertical] #sources-pane {
  -moz-box-flex: 1;
}

#body[layout=vertical] #instruments-pane {
  -moz-box-flex: 2;
}

#body[layout=vertical] #instruments-pane-toggle {
  display: none;
}

#body[layout=vertical] #sources-and-editor-splitter,
#body[layout=vertical] #editor-and-instruments-splitter {
  display: none;
}

#body[layout=horizontal] #vertical-layout-splitter,
#body[layout=horizontal] #vertical-layout-panes-container {
  display: none;
}

#body[layout=vertical] #stackframes {
  visibility: hidden;
}